Knockout Rose vs Morning Glory

Side-by-side plant comparison — which is right for your garden?

Knockout Rose

Rosa 'Radrazz'

Rosaceae · flowers

Drought TolerantLow Maintenance

Morning Glory

Ipomoea tricolor

Convolvulaceae · vines

Deer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Knockout Rose (Zones 5-10)

Morning Glory (Zones 2-11)

Overlap: Both grow in zones 5–10

Detailed Comparison

Feature	Knockout Rose	Morning Glory
Scientific Name	Rosa 'Radrazz'	Ipomoea tricolor
Family	Rosaceae	Convolvulaceae
Category	flowers	vines
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	4'	10'
Spread	4'	2'
Bloom Season	Spring-Fall	Summer-Fall
Bloom Color	Red, Pink	Blue, Purple, Pink, White
Growth Rate	Fast	Fast
Native Region	Hybrid (US)	Central America
Maintenance	Low	Low

Special Traits

Knockout Rose

No — EdibleNo — Deer ResistantYes — Drought Tolerant

Morning Glory

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Care Tips

Knockout Rose

✓Prune by 1/3 in late winter.
✓No spraying needed — highly disease resistant.
✓Deadheading optional but encourages faster rebloom.
✓Feed in spring.

Morning Glory

✓Nick or soak seeds overnight for faster germination.
✓Provide sturdy support.
✓Self-seeds prolifically — can become invasive.
✓Full sun is essential for abundant blooms.

Which Plant Is Right for Your Garden?

Choose Knockout Rose if you want a low-maintenance plant, need drought tolerance. It thrives in full sun with medium water in zones 5–10.

Choose Morning Glory if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 2–11.

Plant them together? Both overlap in zones 5–10. They share similar sun requirements (full sun), making them potential garden companions.

View Knockout RoseProfile →View Morning GloryProfile →

Frequently Asked Questions

Can Knockout Rose and Morning Glory grow in the same hardiness zone?

Knockout Rose grows in USDA zones 5-10, while Morning Glory grows in zones 2-11. Both plants can grow together in zones 5 through 10.

Do Knockout Rose and Morning Glory have the same sun and water needs?

Knockout Rose needs full sun and medium water, while Morning Glory needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Knockout Rose or Morning Glory?

Morning Glory grows taller at 10' compared to Knockout Rose at 4'. Morning Glory spreads 2' while Knockout Rose spreads 4'.

Are Knockout Rose and Morning Glory deer resistant?

Morning Glory is deer resistant, but Knockout Rose is not. If deer are a concern, Morning Glory is the better choice, or protect Knockout Rose with fencing.

Which is easier to maintain, Knockout Rose or Morning Glory?

Both Knockout Rose and Morning Glory have low maintenance requirements. They need a similar level of care including regular attention to watering, pruning, and soil health.

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Detailed Comparison

Feature	Knockout Rose	Morning Glory
Scientific Name	Rosa 'Radrazz'	Ipomoea tricolor
Family	Rosaceae	Convolvulaceae
Category	flowers	vines
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	4'	10'
Spread	4'	2'
Bloom Season	Spring-Fall	Summer-Fall
Bloom Color	Red, Pink	Blue, Purple, Pink, White
Growth Rate	Fast	Fast
Native Region	Hybrid (US)	Central America
Maintenance	Low	Low

Care Tips

Knockout Rose

✓Prune by 1/3 in late winter.
✓No spraying needed — highly disease resistant.
✓Deadheading optional but encourages faster rebloom.
✓Feed in spring.

Morning Glory

✓Nick or soak seeds overnight for faster germination.
✓Provide sturdy support.
✓Self-seeds prolifically — can become invasive.
✓Full sun is essential for abundant blooms.

Which Plant Is Right for Your Garden?

Choose Knockout Rose if you want a low-maintenance plant, need drought tolerance. It thrives in full sun with medium water in zones 5–10.

Choose Morning Glory if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 2–11.

Plant them together? Both overlap in zones 5–10. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

Can Knockout Rose and Morning Glory grow in the same hardiness zone?

Knockout Rose grows in USDA zones 5-10, while Morning Glory grows in zones 2-11. Both plants can grow together in zones 5 through 10.

Do Knockout Rose and Morning Glory have the same sun and water needs?

Knockout Rose needs full sun and medium water, while Morning Glory needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Knockout Rose or Morning Glory?

Morning Glory grows taller at 10' compared to Knockout Rose at 4'. Morning Glory spreads 2' while Knockout Rose spreads 4'.

Are Knockout Rose and Morning Glory deer resistant?

Morning Glory is deer resistant, but Knockout Rose is not. If deer are a concern, Morning Glory is the better choice, or protect Knockout Rose with fencing.

Which is easier to maintain, Knockout Rose or Morning Glory?

Both Knockout Rose and Morning Glory have low maintenance requirements. They need a similar level of care including regular attention to watering, pruning, and soil health.